Japan’s Cultural Affairs Agency to Database Manga Dialogue — Building a ‘Corpus’ to Track How Japanese Is Changing

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The story

Japan’s Agency for Cultural Affairs will begin building a “Manga Corpus” next fiscal year — a database cataloging the wide range of expressions found in manga dialogue, from guttural yells like “a゙” to greetings like “n-cha” and battle cries like “Total Concentration.” Working with a contractor chosen through open bidding, the National Institute for Japanese Language and Linguistics plans to spend four years digitizing 50 years’ worth of material, covering the top 20 best-selling manga titles published each year from 1976 to 2025. It’s reportedly the first time the government has built a corpus based on manga. On 5channel, reactions were mixed: many users nostalgically traded favorite lines and sound effects from old manga, while others questioned whether the project was necessary or worth the tax money.

Tue, Sep 8, 5:00 AM

The Agency for Cultural Affairs is launching a “Manga Corpus” project to database the language used in manga dialogue. It will gather a wide variety of expressions — things like “a゙” and “n-cha” — to serve as basic data for research into how the Japanese language is changing. This marks the first time the government has built a corpus based on manga. The agency aims to digitize 50 years’ worth of material over the next four years, starting next fiscal year.

As a project commissioned by the Agency for Cultural Affairs, the National Institute for Japanese Language and Linguistics will develop the corpus together with a contractor selected through open bidding. It will cover the top 20 best-selling manga titles published each year from 1976 to 2025. The first year will focus on digitizing works from 2016 to 2025.

Source: news.yahoo.co.jp / Original article here

What people said

2AnonymousSep 8, 2026 17:03
Everybody, come on over to Penguin Village! (the setting of Dr. Slump)
4AnonymousSep 8, 2026 17:04
Bonji too, huh?
5AnonymousSep 8, 2026 17:04
There are a lot of Japanese words whose original meaning got warped because of manga, huh.
6AnonymousSep 8, 2026 17:05
Will "da-ccha" and "da-ppya" make the cut? (Lum's iconic speech tic from Urusei Yatsura, and its imitators)
12AnonymousSep 8, 2026 17:10
Wh-, WHAAAAAT?! (the classic exaggerated shock line from manga)
15AnonymousSep 8, 2026 17:11
Starving, freezing, ready to die —
misery comes in that exact order, apparently.
16AnonymousSep 8, 2026 17:11
Who the hell came up with this 'Arai' thing
17AnonymousSep 8, 2026 17:14
So "going off at a weird angle" (naname ue) started from Level E?
20AnonymousSep 8, 2026 17:16
Are "a゙" and "e゙" actually used in mainstream manga?
42AnonymousSep 8, 2026 17:38
Re: #20
I kind of feel like it showed up in Maison Ikkoku or something. Emphasis on "feel like" — don't quote me.
44AnonymousSep 8, 2026 17:47
Re: #20
A゙!? *vein-pop* *vein-pop*!
22AnonymousSep 8, 2026 17:20
The stuff those crappy old VIP-board posters used to use —
like ending sentences with "dao,"
and otaku adding "-uji" when saying someone's name —
wonder if that's getting included too.
24AnonymousSep 8, 2026 17:22
Doping Consommé's "Goshikaan"! (Kinnikuman's Doping Consommé Soup and its sound effect)
25AnonymousSep 8, 2026 17:23
What's "Bonji"?
29AnonymousSep 8, 2026 17:27
Well, even books from the Edo period are unreadable to modern people…
36AnonymousSep 8, 2026 17:32
Re: #29
But shunga (Edo-era erotic art) — modern people understand that just fine.
37AnonymousSep 8, 2026 17:32
Here we go again, dumping money into something dumb while 95% probably gets skimmed off the top.
39AnonymousSep 8, 2026 17:36
Niconico Pedia and Pixiv Encyclopedia already cover this.
And using an unfamiliar buzzword like "corpus" is tacky too — same try-hard vibe as saying "alumni."
43AnonymousSep 8, 2026 17:44
Hey Chappy (ChatGPT), translate the speech bubbles into English and generate the image.
46AnonymousSep 8, 2026 17:51
If you get older, I get older too —
isn't that just fine?
50AnonymousSep 8, 2026 17:54
I want them to include the hiragana characters that bandage-head guy from Utsurun Desu ("It's Contagious!") came up with too.
53AnonymousSep 8, 2026 18:00
Feels like they just really want to spend tax money.
I get that it has some value, but I feel like universities should be the ones doing this.
75AnonymousSep 8, 2026 18:49
Re: #53
How naive do you have to be to think a university would just cough up that budget out of its own pocket?
Are you clueless about how the real world works?
63AnonymousSep 8, 2026 18:19
There's already some 2channel-related stuff on Niconico Pedia.
https://dic.nicovideo.jp/
64AnonymousSep 8, 2026 18:20
Tracing something back to its origin is actually a real pain.
With 2channel at least the timestamps make it clear-cut.
72AnonymousSep 8, 2026 18:35
Blowing hundreds of millions of yen on what amounts to some elementary schooler's summer project — no wonder Japan's going under.
76AnonymousSep 8, 2026 18:50
Gwashi
Sabara
B.G
K.G
Hapu hapu hapu
Nanoraa~ (classic manga catchphrases, e.g. Iyami's "Gwashi!" and "Sabara" from Osomatsu-kun)
78AnonymousSep 8, 2026 19:09
Baru baru baru baru
Zawa… zawa… (the "zawa… zawa…" murmur is the iconic tension sound effect from Kaiji)
82AnonymousSep 8, 2026 19:22
One Piece doesn't really have this kind of thing, does it.

Background and Talking Points

A corpus is a database that compiles large volumes of text to analyze how language changes over time, and the National Institute for Japanese Language and Linguistics has previously built written-language corpora based on newspapers and novels. This new “Manga Corpus” extends that approach to manga dialogue, with plans to digitize the top 20 best-selling titles from each year between 1976 and 2025 — 50 years’ worth of material — over a four-year period. In the thread, plenty of comments nostalgically debated whether sound effects like “a゙” and “e゙” actually appear in real manga, while the unfamiliar term “corpus” itself seemed to draw more skepticism about tax spending than discussion of the project’s actual substance. Worth noting: this is the first time the government has built a corpus based on manga, and unlike a glossary-style site such as Niconico Pedia, the project’s purpose is to produce foundational data for academic research into the Japanese language.

*This article is excerpted and summarized from the 5channel (Geinou/Sports News Plus) thread “Cultural Affairs Agency to Database Manga’s “A゙,” “N-cha,” “Total Concentration”… Building a “Corpus” of Basic Data on Japanese Language Change.”

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